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UF vs. RPU

Both UF and RPU are thermoset plastics. There are 15 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is UF and the bottom bar is RPU.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 9.0
2.2
Elongation at Break, % 1.0
90
Tensile Strength: Ultimate (UTS), MPa 30
60

Thermal Properties

Specific Heat Capacity, J/kg-K 1200
1750
Thermal Conductivity, W/m-K 0.4
0.19
Thermal Expansion, µm/m-K 55
63

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 35
19
Electrical Resistivity Order of Magnitude, 10x Ω-m 9.0
13

Otherwise Unclassified Properties

Density, g/cm3 1.5
1.2

Common Calculations

Stiffness to Weight: Axial, points 3.3
1.0
Stiffness to Weight: Bending, points 46
36
Strength to Weight: Axial, points 5.6
14
Strength to Weight: Bending, points 14
28
Thermal Diffusivity, mm2/s 0.22
0.090
Thermal Shock Resistance, points 4.3
31